49084489728 has 224 divisors, whose sum is σ = 146097040800. Its totient is φ = 16286220288.

The previous prime is 49084489721. The next prime is 49084489813. The reversal of 49084489728 is 82798448094.

49084489728 is a `hidden beast` number, since 4 + 9 + 0 + 84 + 489 + 72 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49084489721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69230238 + ... + 69230946.

Almost surely, 2^49084489728 is an apocalyptic number.

49084489728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49084489728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73048520400).

49084489728 is an abundant number, since it is smaller than the sum of its proper divisors (97012551072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49084489728 is an equidigital number, since it uses as much as digits as its factorization.

49084489728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 49084489728 in words is "forty-nine billion, eighty-four million, four hundred eighty-nine thousand, seven hundred twenty-eight".